■ dumpd 함수를 사용해 RunnableSequence 객체에서 JSON 직렬화 가능한 딕셔너리를 구하는 방법을 보여준다.
※ OPENAI_API_KEY 환경 변수 값은 .env 파일에 정의한다.
▶ main.py
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from dotenv import load_dotenv from langchain_core.prompts import ChatPromptTemplate from langchain_openai import ChatOpenAI from langchain_core.load import dumpd load_dotenv() chatPromptTemplate = ChatPromptTemplate.from_messages( [ ("system", "Translate the following into {language} :"), ("user" , "{text}") ] ) chatOpenAI = ChatOpenAI(model = "gpt-4o") runnableSequence = chatPromptTemplate | chatOpenAI jsonSerizableDictionary = dumpd(runnableSequence) print(jsonSerizableDictionary) """ {'lc': 1, 'type': 'constructor', 'id': ['langchain', 'schema', 'runnable', 'RunnableSequence'], 'kwargs': {'first': {'lc': 1, 'type': 'constructor', 'id': ['langchain', 'prompts', 'chat', 'ChatPromptTemplate'], 'kwargs': {'input_variables': ['language', 'text'], 'messages': [{'lc': 1, 'type': 'constructor', 'id': ['langchain', 'prompts', 'chat', 'SystemMessagePromptTemplate'], 'kwargs': {'prompt': {'lc': 1, 'type': 'constructor', 'id': ['langchain', 'prompts', 'prompt', 'PromptTemplate'], 'kwargs': {'input_variables': ['language'], 'template': 'Translate the following into {language} :', 'template_format': 'f-string'}, 'name': 'PromptTemplate'}}}, {'lc': 1, 'type': 'constructor', 'id': ['langchain', 'prompts', 'chat', 'HumanMessagePromptTemplate'], 'kwargs': {'prompt': {'lc': 1, 'type': 'constructor', 'id': ['langchain', 'prompts', 'prompt', 'PromptTemplate'], 'kwargs': {'input_variables': ['text'], 'template': '{text}', 'template_format': 'f-string'}, 'name': 'PromptTemplate'}}}]}, 'name': 'ChatPromptTemplate'}, 'last': {'lc': 1, 'type': 'constructor', 'id': ['langchain', 'chat_models', 'openai', 'ChatOpenAI'], 'kwargs': {'model_name': 'gpt-4o', 'temperature': 0.7, 'openai_api_key': {'lc': 1, 'type': 'secret', 'id': ['OPENAI_API_KEY']}, 'max_retries': 2, 'n': 1}, 'name': 'ChatOpenAI'}}, 'name': 'RunnableSequence'} """ |
▶ requirements.txt
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annotated-types==0.7.0 anyio==4.6.2.post1 certifi==2024.8.30 charset-normalizer==3.4.0 colorama==0.4.6 distro==1.9.0 h11==0.14.0 httpcore==1.0.7 httpx==0.27.2 idna==3.10 jiter==0.7.1 jsonpatch==1.33 jsonpointer==3.0.0 langchain-core==0.3.21 langchain-openai==0.2.9 langsmith==0.1.145 openai==1.55.0 orjson==3.10.12 packaging==24.2 pydantic==2.10.1 pydantic_core==2.27.1 python-dotenv==1.0.1 PyYAML==6.0.2 regex==2024.11.6 requests==2.32.3 requests-toolbelt==1.0.0 sniffio==1.3.1 tenacity==9.0.0 tiktoken==0.8.0 tqdm==4.67.1 typing_extensions==4.12.2 urllib3==2.2.3 |
※ pip install python-dotenv langchain-openai 명령을 실행했다.